code: def main():
      args = parse_args()
      root_path = args.root_path
      assert osp.exists(root_path)
      extract(root_path)
      shutil.rmtree(osp.join(args.root_path, "tmp"))
      shutil.rmtree(osp.join(args.root_path, "KAIST"))
  
file_path: mmocr/tools/dataset_converters/common/extract_kaist.py
imports: import argparse
  import os
  import os.path
  import shutil
  import xml.etree.ElementTree
  import zipfile
  from xml.etree.ElementTree import ParseError
label_desc: Use image node_id 4 for calling a global function with example usage: main() without return types